“Do you know that you ….. stop when the traffic lights are red?”
The best answer to complete the sentence is…
A. ought to
B. have to
C. must
D. should

Random Topics:
Pronounciation and GrammarVerb Tenses (Progressive, Perfect)COUNT - NONCOUNT NOUNSSubject-Verb AgreementAction, Helping & Linking VerbsComparative and Superlative AdverbsPast and Present TensesVerb + Infinitive or GerundParts of Speech and GrammarDescriptionsOther quiz:
Grammar and Vocabulary › View_______________ 20 desks in the classroom.
A. This is
B. There is
C. They are
D. There are
Tenses › View
By this time next year, they __________ (work) on this project for six months.
A. have been working
B. will work
C. will be working
D. will have been working
Sentence Transformation › View“What did you do last night?” the policeman asked the woman.
A. The policeman asked the woman what had she done the night before.
B. The policeman asked the woman what did she do the night before.
C. The policeman asked the woman what she did the night before.
D. The policeman asked the woman what she had done the night before.
Grammar › View
Identify the conjunction in the sentence: I studied hard because I wanted good grades.
A. I
B. Studied
C. Hard
D. Because
